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// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
// * with the License.  You may obtain a copy of the License at                                                              *
// *                                                                                                                         *
// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
// *                                                                                                                         *
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package org.apache.juneau.utils;

import static org.junit.Assert.*;

import org.apache.juneau.parser.*;
import org.junit.*;

public class ParserReaderTest {

	//====================================================================================================
	// test
	//====================================================================================================
	@Test
	public void test() throws Exception {
		ParserReader r = new ParserReader(new ParserPipe("abc123"));
		try {
			assertEquals('a', r.read());
			r.unread();
			assertEquals('a', r.read());
			assertEquals('b', r.read());
			r.unread();
			assertEquals("bc", r.read(2));
			assertEquals('1', r.read());
			r.unread();
			r.read();
			assertEquals('2', r.peek());
			assertEquals('2', r.peek());
			assertEquals('2', r.read());
			assertEquals('3', r.read());
			assertEquals(-1, r.read());
			assertEquals(-1, r.read());
		} finally {
			r.close();
		}
	}
}